<template>
    <div class="content-box">
      <div ref="searchBox" class="search-box flex" v-show="showSearch">
        <el-form
          :model="queryParams"
          ref="queryForm"
          :inline="true"
          label-width="100px"
        >
          <el-form-item label="省市" prop="proviceAndCity">
            <el-cascader
                ref="cascaderRef"
                filterable
                v-model="queryParams.proviceAndCity"
                v-removeAriaHidden
                @change="cascaderChangeFun"
                :options="areaList"
                :props="{
                  value: 'code',
                  label: 'name',
                  children: 'list',
                  // 在选中节点改变时，是否返回由该节点所在的各级菜单的值所组成的数组
                  emitPath: true,
                  // 是否严格的遵守父子节点不互相关联
                  checkStrictly: true,
                }"
                clearable
                placeholder="请选择省市"
                style="width: 240px; margin-right: 20px"
              ></el-cascader>
          </el-form-item>
          <el-form-item>
            <el-button
              type="primary"
              icon="el-icon-search"
              size="mini"
              @click="handleQuery"
              plain
              >查询</el-button
            >
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
              >重置</el-button
            >
            <el-button
              type="primary"
              size="mini"
              @click="handelDialog('添加', null)"
              >添加城市屏蔽</el-button
            >
          </el-form-item>
        </el-form>
      </div>
  
      <div class="table-box">
        <el-row :gutter="10" class="mb8">
          <right-toolbar
            :showSearch.sync="showSearch"
            @queryTable="handleQuery"
            :columns="columns"
          ></right-toolbar>
        </el-row>
        <el-table
          v-sticky-header
          ref="table"
          v-loading="loading"
          :data="dataList"
        >
          <template v-for="(item,index) in columns.slice(0, columns.length - 1)">
            <el-table-column
              :key="index"
              :label="item.label"
              :prop="item.prop"
              :width="getColumnWidth(index)"
              align="center"
              :fixed="item.fixed"
              :sortable="item.sortable ? item.sortable : false"
              :show-overflow-tooltip="item.showTooltip"
              v-if="item.visible"
            >
            </el-table-column>
          </template>
          <el-table-column
            fixed="right"
            :prop="columns[columns.length - 1].prop"
            :label="columns[columns.length - 1].label"
            align="center"
            :width="getColumnWidth(columns.length - 1)"
            v-if="columns[columns.length - 1].visible"
          >
            <template slot-scope="scope">
              <div >
                <el-popconfirm
                  title="确定要删除该城市屏蔽吗？"
                  @cancel="hanCancelDel"
                  @confirm="handelDel(scope.row)"
                >
                  <el-button
                    slot="reference"
                    type="text"
                    ><span style="color: #ff116e">删除</span></el-button
                  >
                </el-popconfirm>
              </div>
            </template>
          </el-table-column>
        </el-table>
      </div>
      <!-- 新增/编辑/查看 对话框 -->
      <el-dialog
        :title="title"
        width="800px"
        :visible.sync="dialogShow"
        :before-close="handleClose"
      >
        <el-form :model="form" :rules="rules" label-width="80px" ref="formRef">
          <el-form-item label="省市" prop="cityCode">
            <el-cascader
                ref="cascaderFormRef"
                filterable
                v-model="form.cityCode"
                v-removeAriaHidden
                @change="cascaderFormChangeFun"
                :options="areaList"
                :props="{
                  value: 'code',
                  label: 'name',
                  children: 'list',
                  // 在选中节点改变时，是否返回由该节点所在的各级菜单的值所组成的数组
                  emitPath: false,
                  // 是否严格的遵守父子节点不互相关联
                  checkStrictly: false,
                  // 开启多选
                  multiple: true
                }"
                clearable
                placeholder="请选择省市"
                style="width: 100%"
              ></el-cascader>
          </el-form-item>
         
        </el-form>
        <div slot="footer" class="dialog-footer" v-if="!viewsOptionState">
          <el-button type="primary" @click="handleSubmit('formRef')"
            >确 定</el-button
          >
          <el-button @click="handleClose">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </template>
  
  <script>
  import tableStickyMixins from "@/mixins/tableStickyMixins";
  import { mapGetters } from "vuex";
  import {
    add,
    deleteByCityCode,
    queryCityConfigByPage,
  } from "@/api/globalConfig/pickShieldCity";
  
  import { getAreaCodeTreeList } from "@/api/system/areaCode";
  
  export default {
    // 定义名字用于标识该组件是否被keep-alive缓存
    name: "PickShieldCity",
    data() {
      return {
        // 数据列表
        dataList: [],
        // 总条数
        total: 0,
        // 查询参数
        queryParams: {
         
        },
        loading: false,
        // 显示搜索栏
        showSearch: true,
        // 弹框标题
        title: "",
        // 弹框显示状态
        dialogShow: false,
        // 弹框的表单信息
        form: {
        },
        // 弹框表单校验规则
        rules: {
        },
        // 全国省市区列表(树型结构)
        areaList: [],

      };
    },
    mixins: [tableStickyMixins],
    watch: {
      columns: {
        handler() {
          this.updateTableHeight();
        },
        deep: true,
      },
    },
    created() {
      this.init();
    },
    computed: {
      ...mapGetters(["sidebar", "device"]),
      // 计算当前列元素在所处环境的宽度
      getColumnWidth() {
        return (index) => {
          return this.isMobile
            ? this.columns[index].mobileWidth
            : this?.sidebar?.opened
            ? this.columns[index].pcWidth - this.slightWidth
            : this.columns[index].pcWidth + 17;
        };
      },
  
      // (是否处于查看操作禁用表单项)
      viewsOptionState() {
        return this.title === "查看城市屏蔽";
      },
      // 表格列信息计算属性
      columns(){
        return [
          {label: `省名称`,prop: "provinceName",visible: true,pcWidth: 'auto',mobileWidth: 'auto',showTooltip: true,},
          {label: `市名称`,prop: "cityName",visible: true,pcWidth: 'auto',mobileWidth: 'auto',fixed: null,showTooltip: true,},
          {label: `操作`,prop: "operation",visible: true,pcWidth: 100,mobileWidth: 80,fixed: "right",showTooltip: true,},
        ]
      },
    },
    methods: {
      // 级联筛选器改变事件
      cascaderChangeFun(){
        const cascader = this.$refs.cascaderRef;
        if (cascader) {
          if (cascader.handleClear) {
            cascader.handleClear(); // 清除 UI 上的输入和选中
          }
          // if (cascader.handleExpandChange) {
          //   cascader.handleExpandChange([]); // 重置展开路径，回到根节点
          // }
        }
        // 强制更新组件
        this.$forceUpdate();
      },
      cascaderFormChangeFun(){
        const cascader = this.$refs.cascaderFormRef;
        if (cascader) {
          if (cascader.handleClear) {
            cascader.handleClear(); // 清除 UI 上的输入和选中
          }
          // if (cascader.handleExpandChange) {
          //   cascader.handleExpandChange([]); // 重置展开路径，回到根节点
          // }
        }
        // 强制更新组件
        this.$forceUpdate();
      },
      // 获取全国省市区列表
      getProvinceCityList() {
        getAreaCodeTreeList().then((res) => {
          this.areaList = res?.data;
        });
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        // 完全重置到初始状态
        this.$set(this, "queryParams", {
        });
        this.init();
      },
      init() {
        this.getList();
        this.getProvinceCityList();
      },
      /** 查询列表 */
      getList() {
        this.loading = true;
        if(this.queryParams?.proviceAndCity){
          let [provinceCode,cityCode] = this.queryParams?.proviceAndCity || []
          if(provinceCode){
             this.$set(this.queryParams,'provinceCode',provinceCode)
          }else{
            this.$set(this.queryParams,'provinceCode',null)
          }
          if(cityCode){
             this.$set(this.queryParams,'cityCode',cityCode)
          }else{
            this.$set(this.queryParams,'cityCode',null)
          }
        }
        queryCityConfigByPage(this.queryParams).then((response) => {
          this.dataList = response?.data
          this.loading = false;
        }).catch((err) => {
          setTimeout(() => {// 延迟2s后自动取消加载状态
            this.loading = false;
          }, 2000);
        })
      },
  
      // 修改表格高度触发回调
      updateTableHeight() {
        this.$nextTick(() => {
          this.$refs.table.doLayout();
        });
      },
      // 处理对话框
      handelDialog(title, row = null) {
        this.title = title + "城市屏蔽";
        switch (title) {
          case "添加":
            break;
          default:
          // 其他操作
        }
        this.dialogShow = true;
      },
      /*关闭弹窗*/
      handleClose() {
        this.$refs["formRef"].resetFields();
        this.form = this.$options.data().form;
        this.dialogShow = false;
      },
      // 取消删除
      hanCancelDel() {
        this.$message({
          type: "info",
          message: "已取消删除操作",
        });
      },
      // 删除列表项
      handelDel(row) {
        deleteByCityCode(row?.cityCode).then((res) => {
          if (res.code === 200) {
            this.$message.success("删除成功");
            this.getList();
          }
        });
      },
      // 刷新数据且关闭弹框
      handleRefresh() {
        // 刷新数据
        this.getList();
        // 关闭弹窗
        this.handleClose();
      },
      /*提交操作*/
      handleSubmit(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            let params = {};
            params = JSON.parse(JSON.stringify(this.form));
            console.log(params);
            add(params).then(res=>{
              if(res.code === 200){
                this.$message.success("新增成功");
                this.handleRefresh();
              }
            })
            
          }
        });
      },
    },
  };
  </script>
  
  <style scoped lang="scss">
  .title {
    font-size: 20px;
    color: #333333;
    font-weight: 500;
  }
  .search-box {
    margin: 0 0 20px;
    padding: 20px 20px 0;
    background: #fff;
    align-items: flex-start;
    border-radius: 6px;
  }
  .search-area {
    position: absolute;
    right: 20px;
  }
  .el-form-item__content {
    flex: 1;
    line-height: 40px;
    position: relative;
    font-size: 14px;
    min-width: 0;
  }
  ::v-deep .el-dialog__body {
    border-top: 1px solid #dfe6ec;
    border-bottom: 1px solid #dfe6ec;
  }
  .el-table {
    // 滚动条加粗
    --scrollbar-height: 9px;
  }
  </style>
  